Wesco Aircraft Holdings, Inc. (“Wesco Aircraft” or the “Company”) (NYSE: WAIR) today announced that in connection with the previously announced public offering of 6,000,000 shares of the Company’s common stock by affiliates of The Carlyle Group (“Carlyle”), the underwriter has exercised its option to purchase an additional 900,000 shares from Carlyle. The stock was offered to the public at $18.87 per share. As a result, Carlyle will sell a total of 6,900,000 shares in the offering. The offering is expected to close and settle on August 13, 2013. The Company is not selling any shares of common stock in the offering and will not receive any of the proceeds from the offering of shares by Carlyle. Barclays will act as sole underwriter for the offering. A shelf registration statement (including a prospectus) relating to the offering of the common stock has previously been filed with the U.S. Securities and Exchange Commission and has become effective. Before investing, you should read the prospectus and other documents filed with the Securities and Exchange Commission for information about Wesco Aircraft and this offering. A copy of the prospectus may be obtained from Barclays, c/o Broadridge Financial Solutions, 1155 Long Island Avenue, Edgewood, NY 11717, Barclaysprospectus@broadridge.com, or by telephone at (888) 603-5847. This press release shall not constitute an offer to sell or the solicitation of any offer to buy, nor shall there be any sale of these securities in any jurisdiction in which such offer, solicitation or sale would be unlawful prior to the registration or qualification under the securities laws of such jurisdiction. About Wesco Aircraft Wesco Aircraft is one of the world’s largest distributors and providers of comprehensive supply chain management services to the global aerospace industry. The Company’s services range from traditional distribution to the management of supplier relationships, quality assurance, kitting, just-in-time delivery and point-of-use inventory management. The Company believes it offers one of the world’s broadest inventories of aerospace parts, comprised of more than 525,000 different stock keeping units, including hardware, bearings, tools, electronic components and machined parts. Wesco Aircraft has more than 1,200 employees across 42 locations in 12 countries.